zacandvanessa.jpgZac Efron zacvanessaashley.jpgphoto credit: Getty Images
Zac and his gal-pal Vanessa joined the rest of the HSM3 cast for their red carpet premiere last night on the campus of USC.

Zac was looking hot as usual in a slim cut black suit, while Vanessa was stunning in a flowing white dress. But what had everyone talking was Ashley's new darker chestnut colored hair. What do you ya think?